Martina Morris

Professor of Sociology and Statistics





Goodreau SM, Maloney KM, Sanchez TH, Morris M, Janulis P, Jenness SM. (2021). A Behavioral Cascade of HIV Seroadaptation Among US Men Who Have Sex with Men in the Era of PrEP and U = U. AIDS and behavior

Weiss KM, Goodreau SM, Morris M, Prasad P, Ramaraju R, Sanchez T, Jenness SM. (2020). Egocentric sexual networks of men who have sex with men in the United States: Results from the ARTnet study. Epidemics, (30)

Thompson RN, Hollingsworth TD, Isham V, Arribas-Bel D, Ashby B, Britton T, Challenor P, Chappell LHK, Clapham H, Cunniffe NJ, Dawid AP, Donnelly CA, Eggo RM, Funk S, Gilbert N, Glendinning P, Gog JR, Hart WS, Heesterbeek H, House T, Keeling M, Kiss IZ, Kretzschmar ME, Lloyd AL, McBryde ES, McCaw JM, McKinley TJ, Miller JC, Morris M, O'Neill PD, Parag KV, Pearson CAB, Pellis L, Pulliam JRC, Ross JV, Tomba GS, Silverman BW, Struchiner CJ, Tildesley MJ, Trapman P, Webb CR, Mollison D, Restif O. (2020). Key questions for modelling COVID-19 exit strategies. Proceedings. Biological sciences, 287(1932)

Stewart J, Schweinberger M, Bojanowski M, Morris M. (2019). Multilevel network data facilitate statistical inference for curved ERGMs with geometrically weighted terms. Network science (Cambridge University Press), (59)

Jenness SM, Goodreau SM, Morris M. (2018). EpiModel: An R Package for Mathematical Modeling of Infectious Disease over Networks. Journal of Statistical Software, 84(8), NA


Moody J, Adams J, Morris M. (2017). Epidemic potential by sexual activity distributions. Network science (Cambridge University Press), 5(4)

Jenness SM, Goodreau SM, Morris M, Cassels S. (2016). Effectiveness of combination packages for HIV-1 prevention in sub-Saharan Africa depends on partnership network structure: a mathematical modelling study. Sexually Transmitted Infections, 92(8)

Andrasik MP, Clad R, Bove J, Tsegaselassie S, Morris M. (2015). A preliminary evaluation of a community-based campaign to increase awareness of concurrency and HIV transmission in African American and African-Born communities. AIDS and behavior, 19(10)

Hamilton DT, Morris M. (2015). The racial disparities in STI in the U.S.: Concurrency, STI prevalence, and heterogeneity in partner selection. Epidemics, (11)

Knopf A, Agot K, Sidle J, Naanyu V, Morris M. (2014). "This is the medicine:" A Kenyan community responds to a sexual concurrency reduction intervention. Social science & medicine (1982), (108)

Knopf A, Agot K, Sidle J, Naanyu V, Morris M. (2015). Reprint of: "This is the medicine:" a Kenyan community responds to a sexual concurrency reduction intervention. Social science & medicine (1982), (125)

Cassels S, Manhart L, Jenness SM, Morris M. (2013). Short-term Mobility and Increased Partnership Concurrency among Men in Zimbabwe. PLoS One, 8(6)

Morris M, Vu L, Leslie-Cook A, Akom E, Stephen A, Sherard D. (2014). Comparing Estimates of Multiple and Concurrent Partnerships Across Population Based Surveys: Implications for Combination HIV Prevention. AIDS and behavior, 18(4)

Carnegie NB, Morris M. (2012). Size matters: concurrency and the epidemic potential of HIV in small networks. PLoS One, 7(8)

Morris M. (2012). Put in context: the concurrency intervention simulation study of McCreesh et al. Sexually transmitted diseases, 39(12)

Knopf A, Morris M. (2012). Lack of association between concurrency and HIV infection: an artifact of study design. Journal of acquired immune deficiency syndromes (1999), 60(1)

Adams J, Moody J, Morris M. (2013). Sex, drugs, and race: how behaviors differentially contribute to the sexually transmitted infection risk network structure. American journal of public health, 103(2)

Adams J, Moody J, Muth SQ, Morris M. (2012). Quantifying the Benefits of Link-Tracing Designs for Partnership Network Studies. Field methods, 24(2)

Morris M, Epstein H. (2011). Role of concurrency in generalised HIV epidemics. Lancet, 378(9806)

Krivitsky PN, Handcock MS, Morris M. (2011). Adjusting for Network Size and Composition Effects in Exponential-Family Random Graph Models. Statistical methodology, 8(4)

Epstein H, Morris M. (2011). HPTN 052 and the future of HIV treatment and prevention. Lancet, 378(9787)

Epstein H, Morris M. (2011). Concurrent partnerships and HIV: an inconvenient truth. Journal of the International AIDS Society, (14)

Ngure K, Mugo N, Celum C, Baeten JM, Morris M, Olungah O, Olenja J, Tamooh H, Shell-Duncan B. (2011). A qualitative study of barriers to consistent condom use among HIV-1 serodiscordant couples in Kenya. AIDS care, 24(4)

Goodreau SM, Cassels S, Kasprzyk D, Montaño DE, Greek A, Morris M. (2012). Concurrent partnerships, acute infection and HIV epidemic dynamics among young adults in Zimbabwe. AIDS and behavior, 16(2)

Morris M, Epstein H, Wawer M. (2010). Timing is everything: international variations in historical sexual partnership concurrency and HIV prevalence. PLoS One, 5(11)

Morris M, Epstein H. (2011). Response to: Gregson S, Gonese E, Hallett TB et al. HIV decline in Zimbabwe due to reductions in risky sex? Evidence from a comprehensive epidemiological review. International journal of epidemiology, 40(3)

Cassels S, Pearson CR, Walters K, Simoni JM, Morris M. (2010). Sexual partner concurrency and sexual risk among gay, lesbian, bisexual, and transgender American Indian/Alaska natives. Sexually transmitted diseases, 37(4)

Morris M, Kurth AE, Hamilton DT, Moody J, Wakefield S. (2009). Concurrent partnerships and HIV prevalence disparities by race: linking science and public health practice. American journal of public health, 99(6)

Hamilton DT, Morris M. (2010). Consistency of self-reported sexual behavior in surveys. Archives of sexual behavior, 39(4)

Morris M. (2010). Barking up the wrong evidence tree. Comment on Lurie & Rosenthal, "Concurrent partnerships as a driver of the HIV epidemic in sub-Saharan Africa? The evidence is limited". AIDS and behavior, 14(1)

Goodreau SM, Kitts JA, Morris M. (2009). Birds of a feather, or friend of a friend? Using exponential random graph models to investigate adolescent social networks. Demography, 46(1)

Handcock MS, Morris M. (2009). A curved exponential family model for complex networks. Computational and mathematical organization theory, 15(4)

Handcock MS, Hunter DR, Butts CT, Goodreau SM, Morris M. (2008). statnet: Software Tools for the Representation, Visualization, Analysis and Simulation of Network Data. Journal of statistical software, 24(1)

Hunter DR, Handcock MS, Butts CT, Goodreau SM, Morris M. (2008). ergm: A Package to Fit, Simulate and Diagnose Exponential-Family Models for Networks. Journal of statistical software, 24(3)

Morris M, Handcock MS, Hunter DR. (2008). Specification of Exponential-Family Random Graph Models: Terms and Computational Aspects. Journal of statistical software, 24(4)

Cassels S, Clark SJ, Morris M. (2008). Mathematical models for HIV transmission dynamics: tools for social and behavioral science research. Journal of acquired immune deficiency syndromes (1999), (47 Suppl 1)

Hamilton DT, Handcock MS, Morris M. (2008). Degree distributions in sexual networks: a framework for evaluating evidence. Sexually transmitted diseases, 35(1)

Goodreau SM, Handcock MS, Hunter DR, Butts CT, Morris M. (2008). A statnet Tutorial. Journal of statistical software, 24(9)

Morris M, Handcock MS, Miller WC, Ford CA, Schmitz JL, Hobbs MM, Cohen MS, Harris KM, Udry JR. (2006). Prevalence of HIV infection among young adults in the United States: results from the Add Health study. American journal of public health, 96(6)

Miller WC, Swygard H, Hobbs MM, Ford CA, Handcock MS, Morris M, Schmitz JL, Cohen MS, Harris KM, Udry JR. (2005). The prevalence of trichomoniasis in young adults in the United States. Sexually transmitted diseases, 32(10)

Miller WC, Ford CA, Morris M, Handcock MS, Schmitz JL, Hobbs MM, Cohen MS, Harris KM, Udry JR. (2004). Prevalence of chlamydial and gonococcal infections among young adults in the United States. JAMA, 291(18)

If you’d like to update your profile, please email modifications to

This site is registered on as a development site.